Home / 18,610.89-27,918.78-6,922.59

Finding the Fourth Proportional to 18,610.89, 27,918.78 and 6,922.59

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Solution

The fourth proportional to 18,610.89, 27,918.78 and 6,922.59 is: 10,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.89 : 27,918.78 = 6,922.59 : x
  2. Step 2: Convert to fraction form
    18,610.89/27,918.78 = 6,922.59/x
  3. Step 3: Cross multiply
    18,610.89x = 27,918.78 × 6,922.59
  4. Step 4: Simplify right side
    18,610.89x = 193,270,267.24
  5. Step 5: Solve for x
    x = 193,270,267.24/18,610.89
  6. Step 6: Final answer
    x = 10,384.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.